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    <script>
        // 有一个包含工资的数组[1500, 1200, 2000, 2100, 1800]，要求把数组中工资超过2000的删除，剩余的放到新数组里面
        var arr = [1500, 1200, 2000, 2100, 1800];
        var newArr = [];
        for (var i = 0; i < arr.length; i++) {
            if (arr[i] < 2000) {
                // newArr[newArr.length] = arr[i];
                newArr.push(arr[i]);
            }
        }
        console.log(newArr);
    </script>
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